Herein, a nickel catalysis system for desulfonylative C(sp2)-C(sp2) reductive cross-coupling reactions of aryl sulfone derivatives with a range of aryl bromides has been established to form diverse biaryl compounds. The… Click to show full abstract
Herein, a nickel catalysis system for desulfonylative C(sp2)-C(sp2) reductive cross-coupling reactions of aryl sulfone derivatives with a range of aryl bromides has been established to form diverse biaryl compounds. The complex Ar-Ni(II)-SO2CF3 bearing a phosphine ligand through oxidative addition of aryl sulfone to Ni(0) species was isolated and confirmed by an X-ray, which provides solid evidence for the understanding of the C(Ar)-SO2 bond activation and reaction mechanism.
               
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